| Date | Event | Description |
|---|---|---|
| 26 May 2016 | Amended | Search was updated and 37 new references added to 'Classification Pending References' section of the review. |
| 1 June 2011 | Amended | Cochrane Schizophrenia Group Trial Register searched: 48 studies included in the review, 32 studies included in the analyses. |
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